import sys
import pygame
from settings import Settings

def run_game():
    # 初始化游戏并创建一个屏幕对象
    pygame.init()
    ai_settings = Settings()
    screen = pygame.display.set_mode((ai_settings.screen_width,ai_settings.screen_height))
    pygame.display.set_caption("Alien Invasion")
    while True:
        for event in pygame.event.get():
            if(event.type == pygame.QUIT):
                sys.exit()
        screen.fill(ai_settings.bg_color)
        pygame.display.flip()

run_game()

class Settings():

    def _init_(self):
        self.screen_width = 1200
        self.screen_height = 800
        self.bg_color = (230, 230, 230)